Evaporator fan motor fault, dust clogged condenser coils, or defrost bi-metal failure.
Nitrogen pressure leak detection, pinhole solder repair, and R600a / R134a precision gas charge.
Start relay, capacitor, or overload protector replacement to protect compressor life.
Defrost timer, defrost heater element, or thermal fuse replacement for frost-free circulation.
Choked defrost drain hole steam-cleaned and drain pan realignment to stop water collection.
Digital sensor thermistor replacement for accurate temperature regulation in all compartments.